WindowsListViewGroupSubsetLink.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / AccessibleTech / longhorn / Automation / Win32Providers / MS / Internal / AutomationProxies / WindowsListViewGroupSubsetLink.cs / 1 / WindowsListViewGroupSubsetLink.cs
                        

                        
                            //---------------------------------------------------------------------------- 
//
// 
//    Copyright (C) Microsoft Corporation.  All rights reserved.
//  
//
// 
// Description: Win32 ListViewGroupSubsetLink proxy 
//
// 
//---------------------------------------------------------------------------

using System;
using System.ComponentModel; 
using System.Windows.Automation;
using System.Windows.Automation.Provider; 
using System.Runtime.InteropServices; 
using System.Windows;
using MS.Win32; 

namespace MS.Internal.AutomationProxies
{
 
        //-----------------------------------------------------
        // 
        //  ListViewGroupSubsetLink 
        //
        //----------------------------------------------------- 

        // Proxy for List view Group Subset Link
        class ListViewGroupSubsetLink: ProxySimple, IInvokeProvider
        { 
            //------------------------------------------------------
            // 
            //  Constructors 
            //
            //----------------------------------------------------- 

            #region Constructor

            internal ListViewGroupSubsetLink (IntPtr hwnd, ProxyFragment parent, int item, int groupId) 
            : base(hwnd, parent, item)
            { 
                _cControlType = ControlType.Button; 
                _sAutomationId = "ListviewGroupSubsetLink" + groupId; // This string is a non-localizable string
 
                _groupId = groupId;
                _fIsKeyboardFocusable = true;
            }
 
            #endregion Constructor
 
            //------------------------------------------------------ 
            //
            //  Pattern Implementation 
            //
            //------------------------------------------------------

            #region ProxySimple Interface 

            // Returns a pattern interface if supported. 
            internal override object GetPatternProvider (AutomationPattern iid) 
            {
                if (iid == InvokePattern.Pattern) 
                {
                    return this;
                }
 
                return null;
            } 
 
            // Gets the bounding rectangle for this element
            internal unsafe override Rect BoundingRectangle 
            {
                get
                {
                    NativeMethods.Win32Rect rect = new NativeMethods.Win32Rect(); 
                    rect.top = NativeMethods.LVGGR_SUBSETLINK;
                    XSendMessage.XSend(_hwnd, NativeMethods.LVM_GETGROUPRECT, new IntPtr(0), new IntPtr(&rect), Marshal.SizeOf(rect.GetType())); 
                    Misc.MapWindowPoints(_hwnd, IntPtr.Zero, ref rect, 2); 

                    return rect.ToRect(false); 
                }
            }

            // Is focus set to the specified item 
            protected override bool IsFocused ()
            { 
                NativeMethods.LVGROUP_V6 groupInfo = new NativeMethods.LVGROUP_V6(); 
                groupInfo.Init(Marshal.SizeOf(typeof(NativeMethods.LVGROUP_V6)));
                groupInfo.iGroupID = _groupId; 
                groupInfo.mask = NativeMethods.LVGF_STATE;
                groupInfo.stateMask = NativeMethods.LVGS_SUBSETLINKFOCUSED;

                // Note: return code of GetGroupInfo() is not reliable. 
                XSendMessage.GetGroupInfo(_hwnd, ref groupInfo); // ignore return code.
 
                return (groupInfo.state & NativeMethods.LVGS_SUBSETLINKFOCUSED) != 0; 
            }
 
            //Gets the localized name
            internal override string LocalizedName
            {
                get 
                {
                    NativeMethods.LVGROUP_V6 group = new NativeMethods.LVGROUP_V6(); 
                    group.Init(Marshal.SizeOf(typeof(NativeMethods.LVGROUP_V6))); 

                    group.iGroupID = _groupId; 
                    group.cchSubsetTitle= Misc.MaxLengthNameProperty;

                    return XSendMessage.GetItemText(_hwnd, group, NativeMethods.LVGF_SUBSET);
                } 
            }
 
            #endregion ProxySimple Interface 

            #region Invoke Pattern 

            void IInvokeProvider.Invoke ()
            {
                NativeMethods.Win32Point pt; 
                if (GetClickablePoint(out pt, false))
                { 
                    Misc.MouseClick(pt.x, pt.y); 
                }
            } 

            #endregion Invoke Pattern

        //----------------------------------------------------- 
        //
        //  Private Fields 
        // 
        //------------------------------------------------------
 
        #region Private Fields

        // The group id this link belongs to
        private int _groupId; 

        #endregion Private Fields 
 
        }
} 


// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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